@media screen and (min-width: 1600px) {
    .main-content .wrapper .main-header {
        font-size: 22px;
    }
}

body {
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    background-color: #f5f5f5;
    font-family: 'Source Sans Pro', 'Hiragino Sans GB', 'Microsoft Yahei',
        SimSun, Helvetica, Arial, Sans-serif;
}

.left {
    float: left;
}

.right {
    float: right;
}

.clearfix::after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.top-navbar {
    position: fixed;
    z-index: 1000;
    margin-left: 220px;
    width: calc(100vw - 220px);
    height: 50px;
    background-color: #fff;
    line-height: 50px;
    box-shadow: 6px 0 5px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease-in-out;
}

.aside-folded .top-navbar {
    margin-left: 60px;
    width: calc(100vw - 60px);
}

.top-navbar a {
    float: left;
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
}

.top-navbar .left a,
.top-navbar .left div {
    float: left;
    width: 30px;
    height: 30px;
    margin: 10px 10px;
    background-color: #f2f2f2;
    border-radius: 15px;
    line-height: 30px;
    text-align: center;
}

.top-navbar .left a:hover {
    background-color: #eee;
}

.top-navbar .search-box {
    background-color: #f2f2f2;
    border-radius: 15px;
    transition: width 0.3s ease-in-out;
}

.top-navbar .search-box.active,
.top-navbar .search-box:hover {
    width: 210px;
}

.top-navbar .search-box .search-input {
    float: left;
    width: 0;
    padding: 5px 0;
    background-color: transparent;
    border: 0;
    color: #555;
    font-size: 12px;
    line-height: 20px;
    transition: all 0.3s ease-in-out;
}

.top-navbar .search-box .search-input::placeholder {
    color: #999;
    opacity: 0;
    transition: opacity 0.2s ease-in-out 0.1s;
}

.top-navbar .search-box:hover .search-input::placeholder {
    opacity: 1;
}

.top-navbar .search-box.active .search-input,
.top-navbar .search-box:hover .search-input {
    padding: 5px 15px;
    width: 180px;
}

.top-navbar .search-box .search-btn {
    float: right;
    width: 24px;
    height: 24px;
    margin: 3px;
    border: 0;
    border-radius: 50%;
    color: rgba(0, 0, 0, 0.8);
    font-size: 12px;
    transition: background-color 0.2s ease-in-out 0.1s;
}

.top-navbar .search-box.active .search-btn,
.top-navbar .search-box:hover .search-btn {
    background-color: #e9e9e9;
}

.top-navbar .music-player {
    float: left;
    width: 200px;
    color: #333;
}

.top-navbar .music-player .music-cover {
    float: left;
    /* line-height: 48px; */
}

.top-navbar .music-player .music-cover img {
    width: 40px;
    border-radius: 50%;
    transform: rotate(0);
    animation: play 10s linear infinite;
    animation-play-state: paused;
}

@keyframes play {
    0% {}

    100% {
        transform: rotate(360deg);
    }
}

.top-navbar .music-player .music-player-info {
    margin-left: 40px;
    padding: 8px 0 0 12px;
}

.top-navbar .music-player .music-player-info .music-info {
    overflow: hidden;
    width: 150px;
    margin: 0 15px 7px 0px;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.top-navbar .music-player .music-info .music-title {
    font-size: 14px;
}

.top-navbar .music-player .music-info .music-author {
    font-size: 12px;
}

.top-navbar .music-player .music-control {
    position: relative;
    padding-left: 2px;
}

.top-navbar .music-player .music-control button {
    width: 15px;
    height: 15px;
    margin-right: 12px;
    border: 0;
    background-color: transparent;
    color: #333;
    line-height: 15px;
    text-align: center;
}

.top-navbar .music-player .music-control .volume {
    position: relative;
    margin-right: 0;
    opacity: 0;
    height: 16px;
    padding-top: 1px;
    transition: opacity 0.2s ease-in-out;
}

.top-navbar .music-player:hover .music-control .volume {
    opacity: 1;
}

.top-navbar .music-player .music-control .volume .volume-bar {
    position: absolute;
    bottom: 16px;
    left: 5px;
    overflow: hidden;
    width: 5px;
    height: 27px;
    border-radius: 2.5px;
    opacity: 0;
    background-color: #ccc;
    transition: opacity 0.2s ease-in-out;
}

.top-navbar .music-player .music-control .volume:hover .volume-bar {
    opacity: 1;
}

.top-navbar .music-player .music-control .volume .volume-bar .volume-size {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fbe29c;
}

.top-navbar .music-player .music-control button i {
    color: #333;
}

.top-navbar .music-player .music-control .progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #ccc;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.top-navbar .music-player:hover .music-control .progress-bar {
    opacity: 1;
}

.top-navbar .music-player .music-control .progress-bar .fake-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    width: inherit;
    height: inherit;
    background-color: transparent;
    opacity: 0;
}

.top-navbar .music-player .music-control .progress-bar .progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: #fbe29c;
}

.top-navbar .music-player .music-control .progress-bar .progress::before {
    display: block;
    position: absolute;
    top: -3.5px;
    right: -5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #fbe29c;
    content: '';
    transform: scale(0);
    transition: transform 0.2s ease-in-out;
}

.top-navbar .music-player .music-control:hover .progress-bar .progress::before {
    transform: scale(1);
}

.top-navbar .right a {
    padding: 0 15px;
}

.top-navbar .right a i {
    margin-right: 5px;
}

.top-navbar .right a:hover {
    background-color: #eee;
}

.left-aside {
    position: fixed;
    z-index: 999;
    width: 220px;
    height: 100vh;
    background-color: #fff;
    /* background-color: #FBE29C; */
    box-shadow: 0 0 5px 3px rgba(0, 0, 0, 0.05);
    transition: width 0.3s ease-in-out;
}

.left-aside .wrapper {
    padding-bottom: 50px;
    overflow-y: auto;
    height: 100%;
}

.left-aside .separation {
    height: 1px;
    width: 100%;
    margin: 10px 0;
    background-color: #eee;
}

.aside-folded .left-aside {
    width: 60px;
}

.left-aside .brand {
    display: block;
    overflow: hidden;
    height: 50px;
    padding: 0 20px;
    background-color: #fff;
    font-family: Comfortaa;
    font-size: 19px;
    font-weight: 700;
    line-height: 50px;
    box-shadow: -2px 0 5px 3px rgba(0, 0, 0, 0.1);
}

.left-aside .brand i {
    font-size: 26px;
    line-height: 50px;
}

.left-aside .brand .text {
    margin-left: 5px;
    opacity: 1;
    transition: opacity 0.25s ease-in-out 0.05s;
}

.aside-folded .left-aside .brand .text {
    opacity: 0;
}

.left-aside .host {
    padding: 15px;
    text-align: center;
}

.left-aside .host .logo {
    margin-top: 10px;
}

.left-aside .host .text {
    margin-top: 10px;
}

.left-aside .host .text strong {
    color: rgba(0, 0, 0, 0.8);
    font-size: 14px;
}

.left-aside .host .text p {
    overflow: hidden;
    max-height: 16px;
    color: rgba(0, 0, 0, 0.5);
    font-size: 12px;
    transition: all 0.2s ease-in-out, height 0.3s ease-in-out;
}

.aside-folded .left-aside .host .text p {
    height: 0;
}

.left-aside .host .logo h1 a {
    display: inline-block;
    overflow: hidden;
    border-radius: 50%;
    transition: transform 0.3s ease-in-out;
}

.left-aside .host .logo h1 a:hover {
    transform: rotate(20deg);
}

.left-aside .host .logo h1 a img {
    width: 100%;
    max-width: 130px;
    height: 100%;
    vertical-align: top;
}

.left-aside ul li {
    overflow: hidden;
    height: 100%;
    transition: all 0.3s ease-in-out;
}

.aside-folded .left-aside ul li {
    height: 50px;
}

.left-aside ul li.title {
    height: initial;
    margin: 15px 0 10px;
    padding: 0 15px;
    color: rgba(0, 0, 0, 0.5);
    font-size: 12px;
    opacity: 1;
    transition: opacity 0.1s ease-in-out, height 0.2s ease-in-out 1s,
        margin 0.2s ease-in-out 0.1s;
}

.aside-folded .left-aside ul li.title {
    height: 0;
    margin: 0;
    opacity: 0;
}

.left-aside ul li a {
    display: block;
    padding: 0 20px;
    height: 100%;
    font-size: 14px;
    line-height: 40px;
    transition: all 0.3s ease-in-out, transform 0.25s ease-in-out;
}

.aside-folded .left-aside ul li a {
    height: 50px;
    padding: 0;
}

.aside-folded .left-aside ul li a:hover {
    transform: translateY(-50px);
}

.aside-folded .left-aside ul li a:hover span {
    display: block;
}

.left-aside ul li a:hover {
    background-color: #f2f2f2;
    color: #000;
}

.left-aside ul li a .item-icon {
    height: 40px;
    margin-right: 18px;
    line-height: 40px;
    text-align: center;
    transition: font-size 0.1s ease-in-out;
}

.aside-folded .left-aside ul li a .item-icon {
    width: 100%;
    height: 50px;
    margin: 0;
    font-size: 16px;
    line-height: 50px;
}

.aside-folded .left-aside ul li a span {
    width: 60px;
    height: 50px;
    padding: 0 5px;
    line-height: initial;
    text-align: center;
    font-size: 12px;
    vertical-align: middle;
    word-break: break-all;
}

.left-aside ul li a .toggle-fold {
    float: right;
    width: 18px;
    height: 20px;
    margin: 10px 0;
    color: rgba(0, 0, 0, 0.5);
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    transition: transform 0.08s ease-in-out;
}

.left-aside ul li.active .toggle-fold {
    transform: rotate(90deg);
}

.aside-folded .left-aside ul li a .toggle-fold {
    display: none;
}

.left-aside .sub-nav a {
    padding-left: 55px;
}

.left-aside .sub-nav {
    height: 0;
    margin-left: -20px;
    transition: all 0.2s ease-in-out 0s;
}

.aside-folded .left-aside li .sub-nav {
    height: 0;
}

.left-aside .active .sub-nav {
    height: auto;
    margin-left: 0;
}

.left-aside ul li.active {
    background-color: #ececec;
    color: #000;
}

.left-aside .back-top {
    display: block;
    position: absolute;
    bottom: -400px;
    width: 100%;
    text-align: center;
    transition: bottom 0.5s ease-in-out, transform 0.2s ease-in-out;
}

.left-aside .back-top.show {
    bottom: -42px;
}

.aside-folded .left-aside .back-top.show {
    bottom: -11.5px;
}

.left-aside .back-top:hover {
    transform: translateY(-17.5px);
}

.aside-folded .left-aside .back-top:hover {
    transform: translateY(-3.7px);
}

.left-aside .back-top img {
    width: 90%;
}

.left-aside .back-top .tip {
    position: absolute;
    top: -15px;
    left: 50%;
    width: 70px;
    padding: 2px 0;
    text-align: center;
    border-radius: 4px;
    background-color: #000;
    color: #fff;
    font-size: 14px;
    opacity: 0;
    transform: translateX(-50%);
    transition: all 0.2s ease-in-out;
}

.left-aside .back-top:hover .tip {
    top: -25px;
    opacity: 0.7;
}

.aside-folded .left-aside .back-top .tip {
    display: none;
}

.left-aside .back-top .tip::before {
    display: block;
    position: absolute;
    bottom: -3px;
    left: 31px;
    z-index: -1;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    transform: rotate(45deg);
    background-color: #000;
    content: '';
}

.main-content {
    position: fixed;
    top: 50px;
    left: 220px;
    overflow: auto;
    overflow-x: hidden;
    width: calc(100vw - 220px);
    height: calc(100vh - 50px);
    background: url(../image/bg.png) top center/cover no-repeat;
    transition: all 0.3s ease-in-out;
}

.aside-folded .main-content {
    left: 60px;
    width: calc(100vw - 60px);
}

.main-content .wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: 100%;
    padding-bottom: 50px;
}

.main-content .main-header {
    margin-top: 30px;
    padding: 20px;
    color: #fff;
    text-align: center;
    text-shadow: 0 0 3px #000;
}

.main-content .wrapper .panel {
    overflow: hidden;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, .9);
    box-shadow: 1px 1px 3px 1px rgba(0, 0, 0, 0.2);
    transition: box-shadow .2s;
}

.main-content .wrapper .panel:hover {
    box-shadow: 1px 1px 5px 2px rgba(0, 0, 0, 0.3);
}

.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 15px;
    height: 50px;
    font-weight: 400;
    line-height: 50px;
    background-color: rgba(237, 241, 242, 0.8);
}

.footer span,
.footer a {
    color: #777;
    font-size: 14px;
}

.footer a:hover {
    color: #444;
}